Unified Medical Language System® (UMLS®)

SNOMED CT® Browsers

NLM SNOMED CT Browser

Available from the Applications and SNOMED CT menus. Search for and display SNOMED CT content, as included in UMLS® Metathesaurus®. Expands searches to include synonymous terms from over 100 Metathesaurus vocabulary sources.

Other Browsers

The SNOMED CT terminology browsers listed on this page have been discussed in IHTSDO forums, cited in the paper below*, or submitted by UMLS users. This list is solely provided as an added resource and is not meant to be a comprehensive list of all SNOMED CT browsers.

To have a browser added to this list, send a message to NLM Customer Service with the subject “SNOMED CT Browser.” Please ensure that your browser complies with the IHTSDO Conditions of Use of SNOMED CT Browsers before submitting it for inclusion in this list. This guidance is essential reading for any person or organization providing a web-based or other publicly available SNOMED CT browser, or a service that provides access to SNOMED CT. It is also relevant to users of such services.

Disclaimer: The National Library of Medicine (NLM) does not endorse in any way the browsers described in the following tables. NLM does not make any warranty, expressed or implied, or assume any liability or responsibility for the use of these browsers.

Search and browse the US, UK, and International Editions of SNOMED CT with subsets from SNOMED International, Kaiser Permanente and the United Kingdom Terminology Centre. Create your own queries and subsets and use them to group patients that share the same characteristics into cohorts, identify trends and correlations, and create analytics notebooks to test and visualize clinical hypotheses.

HealthTerm® is a high-performing global Enterprise Terminology System that enables data exchange and semantic interoperability in the healthcare sector. HealthTerm® is used within some of the world’s largest and most complex enterprise terminology projects within EHR/HIE implementations such as Orion Health and IBM Watson Health.

Snow Owl® is a collaborative terminology browsing and authoring platform built on the open-source IHTSDO Terminology Server. It maintains terminology artifacts developed by a team and supported by business workflows. Snow Owl supports authoring national and local SNOMED CT extensions and creating subsets and mappings to local code systems, LOINC, ATC, ICD-10, ICD-10-CM, ICD-10-AM, and more.

Search and browse the US Edition of SNOMED CT with West Coast Informatics' SNOMED terminology browser. Web-based, lightweight, open source, and mobile friendly. This browser's features include textual searching, hierarchical searching, expandable concept report, access to metadata, discovery of extension content within full hierarchy.